// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/animation/animation_host.h"
#include "cc/test/fake_layer_tree_host.h"
#include "cc/test/fake_layer_tree_host_client.h"
#include "cc/test/test_task_graph_runner.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace cc {

namespace {

    TEST(LayerTreeHostRecordGpuHistogramTest, SingleThreaded)
    {
        FakeLayerTreeHostClient host_client;
        TestTaskGraphRunner task_graph_runner;
        LayerTreeSettings settings;
        auto animation_host = AnimationHost::CreateForTesting(ThreadInstance::MAIN);
        std::unique_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(
            &host_client, &task_graph_runner, animation_host.get(), settings,
            CompositorMode::SINGLE_THREADED);
        host->RecordGpuRasterizationHistogram();
        EXPECT_FALSE(host->gpu_rasterization_histogram_recorded());
    }

    TEST(LayerTreeHostRecordGpuHistogramTest, Threaded)
    {
        FakeLayerTreeHostClient host_client;
        TestTaskGraphRunner task_graph_runner;
        LayerTreeSettings settings;
        auto animation_host = AnimationHost::CreateForTesting(ThreadInstance::MAIN);
        std::unique_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(
            &host_client, &task_graph_runner, animation_host.get(), settings,
            CompositorMode::THREADED);
        host->RecordGpuRasterizationHistogram();
        EXPECT_TRUE(host->gpu_rasterization_histogram_recorded());
    }

} // namespace

} // namespace cc
